HRC89 M3-M10 Combination Drill Tap Bit Set TiAlN Coated Deburr Countersink Drill Bits
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HRC89 M3-M10 Combination Drill Tap Bit Set TiAlN Coated Deburr Countersink Drill Bits

$18.99
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Description:  1. Uses HSS-Co material, hardness up to HRC89,  more durable,can be used for drilling the steel plate even the 2-4mm 304 steel plate;  2. Industrial Grade TiALN Coating,TiAlN coating surface will form Al2O3 which form a hard protective layer when drilling (Perfect for high speed drilling);  3. Service life is 5-10 times longer than general tap drill. (Can drilling without coolant, with coolant, service life will be longer and performance will be better);  4. 118° X Bit Design, you can drill from any angle, no slipping.     Specifications:  Type: Tap Drill Bit;  Material: HSS-Co;  Shank: 1/4" (6.35mm) hex shank;  Surface Treatment: TiAlN Coated;  DIY Supplies: Metalworking;  Size: M3x0.5, M4x0.7, M5x0.8, M6x1, M8x1.25, M10x1.5;     Package Included:  1 x Tap Drill Bit   

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